498215 has 4 divisors (see below), whose sum is σ = 597864. Its totient is φ = 398568.

The previous prime is 498209. The next prime is 498227. The reversal of 498215 is 512894.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-498215 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49817 + ... + 49826.

It is an arithmetic number, because the mean of its divisors is an integer number (149466).

2⁴⁹⁸²¹⁵ is an apocalyptic number.

498215 is a deficient number, since it is larger than the sum of its proper divisors (99649).

498215 is an equidigital number, since it uses as much as digits as its factorization.

498215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99648.

The product of its digits is 2880, while the sum is 29.

The square root of 498215 is about 705.8434670662. The cubic root of 498215 is about 79.2754896164.

The spelling of 498215 in words is "four hundred ninety-eight thousand, two hundred fifteen".